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Finding the Third Proportional to 12,516 and 27,212

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Solution

The third proportional to 12,516 and 27,212 is: 59,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516 : 27,212 = 27,212 : x
  2. Step 2: Convert to fraction form
    12,516/27,212 = 27,212/x
  3. Step 3: Cross multiply
    12,516x = 27,212 × 27,212
  4. Step 4: Simplify right side
    12,516x = 740,492,944
  5. Step 5: Solve for x
    x = 740,492,944/12,516
  6. Step 6: Final answer
    x = 59,163.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.